Subject:
GLOSSARY (l)
Date:
November 1989 from BETA #3 and BETA #4 (7 items)

lactic dehydrogenase (LDH):
An enzyme in the blood and various tissues that helps to break down the lactic acid in milk and certain other foods. An elevated level of LDH may signal damage to muscle or other tissues.
leucovorin calcium:
A calcium salt of folic acid (a member of the vitamin B complex). Leucovorin is used to treat severe anemias. The effectiveness of leucovorin calcium as a supplement to TMP-SMX is not well understood, but it has been shown to reduce drug toxicity in other antibiotic treatment.
leukocyte:
White blood cells that can move from the bloodstream to tissue and back again. They act as scavengers, helping to combat infection.
leukopenia:
An abnormally low normal number of white blood cells in the circulating blood.
lymphadenopathy:
Enlargement of the lymph nodes or lymph system.
lymphocyte:
A type of white blood cell.
lymphokines:
Substances that help to produce cellular immunity by stimulating macrophages and lymphocytes.